Tool Room Machinist - 2nd Shift

ADDMAN Engineering LLC; Wright City (MO); On-site; USD 55,000 - 75,000; Full time

Job summary

ADDMAN Engineering LLC is seeking an experienced toolroom machinist to join our precision manufacturing team in Wright City, Missouri. The role focuses on CNC milling and turning, fixture development, and process optimization to meet tight tolerances.

You will interpret complex engineering drawings and GD&T, program with Mastercam, and troubleshoot issues across engineering, quality, and production. Independent work with minimal supervision is essential, with collaboration across departments.

Qualifications

• Minimum toolroom machining experience required.
• Experience programming CNC equipment using Mastercam required.
• Experience designing and manufacturing fixtures, workholding, jigs, and tooling required.
• Strong CNC machining, setup, programming, and troubleshooting experience.
• Experience operating manual machining equipment.
• Strong knowledge of machining processes, cutting tools, feeds and speeds, tooling selection, and workholding methods.
• Ability to read and interpret engineering drawings, blueprints, GD&T, and CAD models.
• Experience with precision measurement equipment and tight-tolerance machining.
• Aerospace, defense, or other precision manufacturing experience preferred.
• Eligible to work in the United States at an ITAR facility without company sponsorship.

Responsibilities

• Maintains a safety-first approach and follows PPE, machine safety, and lockout/tagout procedures.
• Reads and interprets blueprints, engineering drawings, CAD models, GD&T, specifications, and work instructions.
• Uses Mastercam to create, modify, troubleshoot, and optimize CNC programs for tooling, fixtures, prototypes, and production components.
• Designs, develops, machines, modifies, and repairs fixtures, jigs, workholding, tooling, and other manufacturing aids.
• Sets up and operates CNC mills, lathes, 3-axis and 5-axis machines, and applicable manual toolroom equipment.
• Determines machining methods, tooling, workholding, speeds, feeds, cutting parameters, and sequence of operations.
• Performs machine prove-outs and trial runs to verify programs, setups, fixture functionality, and dimensional accuracy.
• Troubleshoots machining, programming, tooling, fixture, and workholding issues and makes necessary adjustments.
• Works with Engineering, Quality, Production, and Programming to resolve manufacturing challenges and improve machining processes.
• Identifies opportunities to reduce setup and cycle time, improve tooling and fixture design, and increase efficiency.
• Uses precision measuring equipment to verify conformance to specifications.
• Produces precision components and tooling while maintaining tolerances and quality standards.
• Adheres to AS9100, ISO 9000, and Quality Management System requirements.
• Provides technical guidance or training to other machinists.

Skills

CNC machining

Mastercam programming

Reading blueprints & GD&T

Problem solving

Tools

Mastercam

CAD models interpretation

Job description

Description

• Maintains a safety-first approach and follows all required PPE, machine safety, and lockout/tagout procedures.
• Reads and interprets blueprints, engineering drawings, CAD models, GD&T, specifications, and work instructions.
• Uses Mastercam to create, modify, troubleshoot, and optimize CNC programs for tooling, fixtures, prototypes, and production components.
• Designs, develops, machines, modifies, and repairs fixtures, jigs, workholding, tooling, and other manufacturing aids.
• Sets up and operates CNC mills, lathes, 3-axis and 5-axis machines, as well as applicable manual toolroom equipment.
• Determines appropriate machining methods, tooling, workholding, speeds, feeds, cutting parameters, and sequence of operations.
• Performs machine prove-outs and trial runs to verify programs, setups, fixture functionality, and dimensional accuracy.
• Troubleshoots machining, programming, tooling, fixture, and workholding issues and makes necessary adjustments.
• Works closely with Engineering, Quality, Production, and Programming to resolve manufacturing challenges and improve machining processes.
• Identifies opportunities to reduce setup and cycle time, improve tooling and fixture design, and increase manufacturing efficiency.
• Uses precision measuring equipment including calipers, micrometers, gauge pins, height gauges, dial indicators, and other inspection tools to verify conformance to specifications.
• Produces precision components and tooling while maintaining required tolerances, quality standards, and documentation.
• Adheres to AS9100, ISO 9000, internal Quality Management System requirements, and established manufacturing procedures.
• May provide technical guidance or training to other machinists regarding setups, tooling, fixtures, programming, and machining methods.
• Maintains a clean, organized, and FOD-free work area and actively participates in 5S efforts.
• Follows all Company policies and performs other duties as assigned.

Requirements

• Previous toolroom machining experience required.
• Experience programming CNC equipment using Mastercam required.
• Experience designing and manufacturing machining fixtures, workholding, jigs, and tooling required.
• Strong CNC machining, setup, programming, and troubleshooting experience.
• Experience operating manual machining equipment.
• Strong knowledge of machining processes, cutting tools, feeds and speeds, tooling selection, and workholding methods.
• Ability to read and interpret engineering drawings, blueprints, GD&T, and CAD models.
• Experience with precision measurement equipment and tight-tolerance machining.
• Strong mechanical aptitude, critical thinking, and problem-solving skills.Ability to independently take a tooling or fixture requirement from concept through programming, machining, prove-out, and implementation.
• Ability to work independently with minimal supervision while effectively collaborating across departments.
• Aerospace, defense, or other precision manufacturing experience preferred.
• Knowledge of Lean Manufacturing or continuous improvement principles preferred.
• Eligible to work in the United States at an ITAR facility without company sponsorship.